Celestial Crab C-shaped Cushion for Meditation, Pranayama and Sitting Organic Buckwheat Fill Contours to your Body for Maximum Comfort Unique Design Gives Proper Pelvic Tilt and Supports Knees and Thighs Soft Yet Sturdy 100% Cotton Outer Shell Perfect for Meditation, Pranayama or other Sitting Convenient Carrying Handle and Hidden Zipper at Back for adding or removing fill.